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Commitments and Contingent Liabilities - Aggregate minimum commitments under non-cancelable operating leases (Details) (USD $)
Jul. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
2015 $ 41,750
2016 39,317
2017 41,501
2018 41,938
2019 and thereafter 53,122
Total Minimum Lease Payments $ 217,628